Pumping of rail trackbedWe are
experienced in all aspects of pavement engineering for highways,
railways, trams, airports and docks. Our knowledge in pavement
engineering covers assessment, maintenance, and design.
Pavement assessment involves measuring the current condition of
pavements and estimating its future performance. We have experience
of undertaking assessments using intrusive methods, for instance,
coring as well as non-intrusive methods, for instance, utilising
falling weight deflectometer and ground probing radar.
This allows us to undertake maintenance works at the most effective
time. For railways, an understanding of trackbed condition is a
crucial aspect of track quality. It is used to identify areas where
rigidity of materials vary and where improvements can be made.
For London Underground Limited (LUL), we are designing methods to
improve trackbed condition. The use of enhanced drainage and
material improvement will provide LUL with higher quality rail
alignment and levels.
Such improvements require an understanding of materials, drainage
and small strain rigidity. Mott MacDonald is able to assess
trackbed quality and design methods of improvement. For example, on
the Belfast City Line in Northern Ireland, we provided the design
and specification capability to replace the existing trackbed with
one which will reduce the travel time from Belfast to Dublin by a
half an hour.
In new design, new high speed rail lines and urban tramways are
requiring specialist skills to ensure the critical foundation for
the track is sound. Our maintenance commission for Kilimanjaro
Airport and assessments of Royal Air Force airfields employs our
knowledge in higher loading applications.
We offer our clients a full service and can provide:
- savings in maintenance costs
- higher railway line speeds
- longer life pavements
- a full maintenance strategy as part of our asset management
capability
